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76401343 = 456716729
BaseRepresentation
bin1001000110111…
…00101010111111
312022202120221101
410203130222333
5124024320333
611325313531
71615254304
oct443345277
9168676841
1076401343
113a143507
12217058a7
1312aa03c5
14a20b0ab
156a9267d
hex48dcabf

76401343 has 4 divisors (see below), whose sum is σ = 76422640. Its totient is φ = 76380048.

The previous prime is 76401307. The next prime is 76401359. The reversal of 76401343 is 34310467.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34310467 = 331103657.

It is a cyclic number.

It is not a de Polignac number, because 76401343 - 225 = 42846911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76401443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3798 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (19105660).

Almost surely, 276401343 is an apocalyptic number.

76401343 is a deficient number, since it is larger than the sum of its proper divisors (21297).

76401343 is a wasteful number, since it uses less digits than its factorization.

76401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21296.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 76401343 is about 8740.7861774557. The cubic root of 76401343 is about 424.3266717552.

The spelling of 76401343 in words is "seventy-six million, four hundred one thousand, three hundred forty-three".

Divisors: 1 4567 16729 76401343